STI Exit Stopper®

The STI Exit Stopper is a highly effective and inexpensive security device designed to help stop theft by alerting to unauthorized exits or entries through emergency exit doors.

How It Works

When a protected door is opened, the electronic Exit Stopper flashes and emits an ear-piercing alarm. The duration of the alarm is user-selectable. A key-operated override silences the alarm and allows authorized exits. Options include a 15-second delay before arming or tripping, or a 3-second shut-off after the door closes. The "Always Active" model allows a key holder to reset the alarm but not turn it off. The Exit Stopper includes a 9 VDC alkaline battery and is available in red. It is ideal for almost any type of door and installation, including remote alarm placement. It is not intended for outdoor use.

Key Features

General Information

Design

Construction

Installation

Electronics

Options

Models Available

Accessories

Specifications

Polycarbonate Enclosure

Dimensions5.375" W x 5.375" H x 2" D (137mm x 137mm x 51mm)
FlammabilityUL94 V-2
Wall Thickness0.12 in (3.05mm)

Electronics

Power source9 VDC battery. If not using, slide switch 6 "on".
Remote power input12VDC - 24VDC, 300mA. Installed battery acts as backup power if switch 6 is "off".
Horn volume30 cm: high volume 112dB; low volume 97dB. 100 cm: high volume 102dB; low volume 88dB.
Low battery detectionFlash 1x / minute; beep 1x / 3 minutes.
Relay contacts0.5A 125VAC / 1A 30VDC
Stand by currentBattery: <15µA (approx. 2 years battery life, dependent on use). 12VDC: <0.15mA. 24VDC: <1mA.
Alarm current (volume high + relay)<286mA @ 12VDC; <149mA @ 24VDC.
Operating temperature14°F to 122°F (-10°C to 50°C).
Power "on" notification2 flashes and 2 beeps.
Power "off" notification1 flash and 1 beep.

Electronics: STI-6403 and STI-6404 - Remote Horn Unit

Power Source9 VDC operating power* only.
Horn Volume at 1 ft.95 dB low / 105 dB high.
Stand by Current0 A.
Alarm Current50mA at 95 dB / 200 mA at 105 dB.

Approvals & Warranty

Testing

Warranty

Three-year guarantee against breakage of polycarbonate in normal use (one-year on electro-mechanical and electronic components).

Switch Settings

Switch Settings12345678
Arming - immediateOFF*
Arming - 15 second delayON
Trip - immediateOFF*
Trip - 15 second delayON
Shut-off based on duration (switches 4 & 5)OFF*
Shut-off approx. 3 sec. after door closesON
Duration - 30 second alarmOFF*OFF*
Duration - 180 second alarmOFFON
Duration - continuous alarmONOFF
Duration - 30 second annunciator modeONON
Low battery detection → ONOFF*
Low battery detection → OFFON
Volume - highON*
Volume - lowOFF
Relay function → OFFOFF*
Relay function → ONON

*default

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